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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2016
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
Minimum future payments under the Company’s lease at December 31, 2016 are as follows:
 
2017
 
$
172,000
 
2018
 
 
173,000
 
2019
 
 
164,000
 
2020
 
 
37,000
 
 
 
$
546,000